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Public water system · MO4024368

Active

Madison County Pwsd 1 North and South

At a glance

Madison County Pwsd 1 North and South (PWSID MO4024368) is an active community water system in Madison County, Missouri. It reports serving 1,705 people through 651 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,705

Service connections

651

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO4024368
System typeCommunity water system
Activity statusActive
Population served1,705
Service connections651
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedFredericktown
StateMissouri
ZIP—
CountyMadison County

How does Madison County Pwsd 1 North and South compare with other water systems in Madison County?

By EPA's size categories, Madison County Pwsd 1 North and South is a small system (501 to 3,300 people). Madison County has 8 active public water systems, and Madison County Pwsd 1 North and South is the 2nd-largest of them by population served. Its population served is about twice the county average of 870 people per system, and accounts for 24% of the 6,962 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Madison County Pwsd 1 North and South is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.

Who owns and regulates Madison County Pwsd 1 North and South?

EPA lists Madison County Pwsd 1 North and South as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 8 active systems in Madison County (38%) are also owned by a local government.

Does Madison County Pwsd 1 North and South have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 1993 and October 2024. By type: 11 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 10 as resolved and 2 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2008-04-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved
1996-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1995-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Madison County Pwsd 1 North and South: frequently asked questions

Who runs Madison County Pwsd 1 North and South?

Madison County Pwsd 1 North and South (PWSID MO4024368) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Madison County Pwsd 1 North and South serve?

Madison County Pwsd 1 North and South reports serving 1,705 people through 651 service connections in Madison County, Missouri.

Where does Madison County Pwsd 1 North and South get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Madison County Pwsd 1 North and South have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Madison County Pwsd 1 North and South's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Madison County Pwsd 1 North and South's water quality report?

As a community water system, Madison County Pwsd 1 North and South must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Madison County

Water systemCountyPopulation servedTypeSource
Fredericktown PwsMadison4,429CommunitySurface water
Pinecrest CampMadison300Transient non-communityGroundwater
Marquand PwsMadison253CommunityGroundwater
Castor River Dd Hwy CampgroundMadison125Transient non-communityGroundwater
Mine La Motte Recreation AreaMadison70Transient non-communityGroundwater
Castor River Ranch CampgroundMadison50Transient non-communityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Madison County Pwsd 1 North and South, PWSID MO4024368, Missouri”, https://aquacensus.com/water-systems/missouri/madison-county-pwsd-1-north-and-south-mo4024368 (data as of October 1, 2026).